Something

ubuntu@ubuntu:~$ sudo dmraid -s
/dev/sda: "sil" and "nvidia" formats discovered (using nvidia)!
/dev/sdb: "sil" and "nvidia" formats discovered (using nvidia)!
*** Set
name   : nvidia_egbeaddb
size   : 312602972
stride : 128
type   : stripe
status : ok
subsets: 0
devs   : 2
spares : 0